There is not a specific place on Manufacturers Certificate of Origin for notarization, and they come already signed from the manufacturer.
I think you have been misinformed. Take it to a different office. Did you also get a bill of sale? Those aren't notarized either.
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-2022 5 speed Templar X Orange, OEM 51T rear sprocket, 14T front sprocket
-NOS 2020 KTM 250SX (2-stroke motocross), less than 10 hours on it
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